What is the purpose of using arrays in JavaScript?
A). To store a single value
B). To store a collection of values
C). To define object properties
D). To create conditional statements
What is the result of typeof [] in JavaScript?
A). object
B). array
C). list
D). string
What is an object in JavaScript?
A). A type of function
B). A collection of key-value pairs
C). A type of array
D). A type of boolean
How do you add an element to the end of an array in JavaScript?
A). Using the push() method
B). Using the add() method
C). Using the append() method
D). Using the end() method
What is the purpose of using the length property with arrays in JavaScript?
A). To access the last element of the array.
B). To add elements to the array.
C). To determine the number of elements in the array.
D). To access the first element of the array.
How do you define a function in JavaScript using a function declaration?
A). function myFunction() { /* code */ }
B). myFunction = function() { /* code */ }
C). myFunction() { /* code */ }
D). myFunction: function() { /* code */ }
What is the return statement used for in a function?
A). To stop the execution of the function
B). To specify the function's name
C). To return a value from the function
D). To define object properties
How do you define a method within an object in JavaScript?
A). By using the function keyword followed by the method name and code block.
B). By using the method keyword followed by the method name and code block.
C). By using the define keyword followed by the method name and code block.
D). By using the process keyword followed by the method name and code block.
Which data type represents a collection of values in JavaScript?
A). Object
B). Array
C). String
D). Number
What is the purpose of using functions as values in JavaScript?
A). To define object properties
B). To store strings and numbers
C). To perform a specific task or operation
D). To represent complex data structures